<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>练习-5</title>
</head>
<body>
  <SCRIPT>
    for (var i = 1; i <= 100; i++) {
      if(!(i % 3)){
        console.log(i);
      }
    }
  </SCRIPT>
</body>
</html>